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Research & Clinical Studies

A growing body of peer-reviewed research has explored grounding and its relationship to sleep, tension, stress, and recovery. Below are some of the published studies behind the science we reference throughout our site.

Stress Less

Most of us carry more tension than we realise — and it follows us to bed. Grounding works while you sleep to help calm the stress response your body has been running on all day.

A study published in the peer-reviewed journal Psychological Reports found that grounding during sleep resulted in measurable reductions in stress and improvements in mood.

A calmer body overnight means you wake up lighter, and more able to handle whatever the day brings.


Recharge Energy

Fatigue isn't always about how many hours you sleep — it's about how well your body actually recovers overnight. Grounding supports your body's natural restoration process while you rest.

A review published in Explore: The Journal of Science and Healing found that grounding was linked to improved energy, better sleep, elevated mood, and greater overall wellbeing in people who practiced it regularly.

A more settled body overnight means you wake up with more in the tank — ready for the day instead of already behind on it.


Additional Studies

Study One

Chevalier, G., Sinatra, S. T., Oschman, J. L., & Delany, R. M. (2013). Earthing (grounding) the human body reduces blood viscosity... The Journal of Alternative and Complementary Medicine, 19(2), 102–110.

This study looked at how grounding affects blood flow. After two hours of grounding, researchers found the blood moved more easily through the body — one of the clearest physical signs so far that grounding does something measurable, not just something people feel.

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Study Two

Chevalier, G., Sinatra, S. T., Oschman, J. L., Sokal, K., & Sokal, P. (2012). Earthing: Health implications of reconnecting the human body to the Earth's surface electrons. Journal of Environmental and Public Health, 2012, Article 291541.

This review pulled together findings from multiple grounding studies, including changes researchers observed in the body after grounded contact — one of several signs the body responds in measurable ways.

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Study Three

Ghaly, M., & Teplitz, D. (2004). The biologic effects of grounding the human body during sleep, as measured by cortisol levels and subjective reporting of sleep, pain, and stress. The Journal of Alternative and Complementary Medicine, 10(5), 767–776.

Participants slept on a grounded sheet for eight weeks while researchers tracked their stress hormone patterns. By the end, most reported real improvements in how well they slept, and greater ease overall.

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Study Four

Oschman, J. L., Chevalier, G., & Brown, R. (2015). The effects of grounding (earthing) on inflammation, the immune response, and wound healing... Journal of Inflammation Research, 8, 83–96.

This research review brought together multiple smaller studies exploring how grounding may support the body's natural recovery process — including easing everyday tension and helping people feel more like themselves.

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Study Five

Brown, D., Chevalier, G., & Hill, M. (2010). Pilot study on the effect of grounding on delayed-onset muscle soreness. Journal of Alternative and Complementary Medicine, 16(3), 265-273.

This study looked at how grounding affects muscle recovery after exercise. People who were grounded recovered from soreness faster than those who weren't — a sign grounding may support the body's natural repair process.

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Study Six

Sokal, K., & Sokal, P. (2011). Earthing the human body influences physiologic processes. The Journal of Alternative and Complementary Medicine, 17(4), 301–308.

Researchers compared several measures of body function, including heart rhythm patterns, between people who were grounded and people who weren't. The grounded group showed measurable differences, suggesting the body responds to grounding in real, physical ways.

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Study Seven

Chevalier, G., Sinatra, S. T., & Oschman, J. L. (2019). The effects of grounding (earthing) on bodyworkers' pain and overall quality of life: A randomized controlled trial. Explore, 15(3), 181-190.

In this trial, people who were grounded reported real improvements in everyday comfort and overall quality of life compared to those who weren't — one of the more direct studies linking grounding to how people actually feel day to day.

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Study Eight

Chevalier, G. (2015). The effect of grounding the human body on mood. Psychological Reports, 116(2), 534-542.

This study measured mood before and after grounding. People who were grounded reported feeling calmer and more positive, with less tension — matching what many people say they notice within the first few nights.

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The studies above are provided for general educational interest. They reflect independent academic research into grounding and are not claims made by Earth's Rhythm about our specific product. Individual results vary.